rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2656 jiffies s: 3645 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4495 Comm: jbd2/sda1-8 Not tainted 6.10.0-rc6-syzkaller-00163-g661e504db04c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:122 [inline] RIP: 0010:lock_release+0x12d/0x9f0 kernel/locking/lockdep.c:5767 Code: 00 65 48 8b 04 25 80 d4 03 00 48 89 44 24 18 48 8d 98 dc 0a 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 d8 05 00 00 <83> 3b 00 0f 85 f1 04 00 00 4c 8d b4 24 b0 00 00 00 4c 89 f3 48 c1 RSP: 0018:ffffc90000a18a20 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff88802aa4a8dc RCX: ffffffff81728db0 RDX: 0000000000000000 RSI: ffffffff8c1f15e0 RDI: ffffffff8c1f15a0 RBP: ffffc90000a18b50 R08: ffffffff8fac1def R09: 1ffffffff1f583bd R10: dffffc0000000000 R11: fffffbfff1f583be R12: 1ffff92000143150 R13: ffffffff84adcf84 R14: ffffc90000a18b80 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f681ffd00 CR3: 000000001eb24000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline] _raw_spin_unlock_irqrestore+0x79/0x140 kernel/locking/spinlock.c:194 debug_object_activate+0x3e4/0x510 lib/debugobjects.c:726 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline] debug_activate kernel/time/hrtimer.c:478 [inline] enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1085 __run_hrtimer kernel/time/hrtimer.c:1706 [inline] __hrtimer_run_queues+0x6cb/0xd50 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758 Code: 2b 00 74 08 4c 89 f7 e8 ba 29 86 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc9000c4df2a0 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff9200189be60 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff8bcaccc0 RDI: ffffffff8c1f1600 RBP: ffffc9000c4df3e8 R08: ffffffff92f71587 R09: 1ffffffff25ee2b0 R10: dffffc0000000000 R11: fffffbfff25ee2b1 R12: 1ffff9200189be5c R13: dffffc0000000000 R14: ffffc9000c4df300 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:329 [inline] rcu_read_lock include/linux/rcupdate.h:781 [inline] blk_try_enter_queue block/blk.h:45 [inline] bio_queue_enter block/blk.h:71 [inline] blk_mq_submit_bio+0x513/0x2170 block/blk-mq.c:2965 __submit_bio+0x1c1/0x560 block/blk-core.c:627 __submit_bio_noacct_mq block/blk-core.c:708 [inline] submit_bio_noacct_nocheck+0x4d3/0xe30 block/blk-core.c:737 jbd2_journal_commit_transaction+0x2832/0x6760 fs/jbd2/commit.c:730 kjournald2+0x463/0x850 fs/jbd2/journal.c:201 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244